/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-fpi/res1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:26:04,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:26:04,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:26:04,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:26:04,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:26:04,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:26:04,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:26:04,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:26:04,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:26:04,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:26:04,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:26:04,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:26:04,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:26:04,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:26:04,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:26:04,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:26:04,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:26:04,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:26:04,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:26:04,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:26:04,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:26:04,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:26:04,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:26:04,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:26:04,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:26:04,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:26:04,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:26:04,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:26:04,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 01:26:04,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:26:04,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:26:04,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:26:04,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:26:04,544 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:26:04,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:26:04,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:26:04,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:26:04,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:26:04,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:26:04,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:26:04,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:26:04,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:26:04,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:26:04,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:26:04,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:26:04,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:26:04,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:26:04,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:26:04,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:26:04,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:26:04,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:26:04,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:26:04,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:26:04,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:26:04,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:26:04,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:26:04,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:26:04,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:26:04,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:26:04,959 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:26:04,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/res1.c [2020-12-23 01:26:05,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80a938f9d/5c5105a346ea401ea7fac9a28f38b66a/FLAGc4ad47cbb [2020-12-23 01:26:05,622 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:26:05,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/res1.c [2020-12-23 01:26:05,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80a938f9d/5c5105a346ea401ea7fac9a28f38b66a/FLAGc4ad47cbb [2020-12-23 01:26:05,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/80a938f9d/5c5105a346ea401ea7fac9a28f38b66a [2020-12-23 01:26:05,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:26:05,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:26:05,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:26:05,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:26:05,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:26:05,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:26:05" (1/1) ... [2020-12-23 01:26:05,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c88638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:05, skipping insertion in model container [2020-12-23 01:26:05,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:26:05" (1/1) ... [2020-12-23 01:26:05,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:26:06,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 01:26:06,212 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/res1.c[587,600] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~b~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~b~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~sum~0,],[IntegerLiteral[0]]] [2020-12-23 01:26:06,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:26:06,247 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 01:26:06,263 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-fpi/res1.c[587,600] left hand side expression in assignment: lhs: VariableLHS[~N~0,GLOBAL] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~b~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~b~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sum~0,],base],StructAccessExpression[IdentifierExpression[~#sum~0,],offset]]] [2020-12-23 01:26:06,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:26:06,295 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:26:06,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06 WrapperNode [2020-12-23 01:26:06,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:26:06,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:26:06,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:26:06,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:26:06,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:26:06,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:26:06,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:26:06,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:26:06,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... [2020-12-23 01:26:06,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:26:06,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:26:06,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:26:06,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:26:06,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:26:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:26:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:26:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 01:26:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 01:26:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:26:06,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:26:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 01:26:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 01:26:06,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:26:06,887 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-23 01:26:06,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:26:06 BoogieIcfgContainer [2020-12-23 01:26:06,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:26:06,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:26:06,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:26:06,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:26:06,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:26:05" (1/3) ... [2020-12-23 01:26:06,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a40017d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:26:06, skipping insertion in model container [2020-12-23 01:26:06,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:26:06" (2/3) ... [2020-12-23 01:26:06,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a40017d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:26:06, skipping insertion in model container [2020-12-23 01:26:06,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:26:06" (3/3) ... [2020-12-23 01:26:06,902 INFO L111 eAbstractionObserver]: Analyzing ICFG res1.c [2020-12-23 01:26:06,911 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:26:06,938 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:26:06,961 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:26:07,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:26:07,004 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:26:07,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:26:07,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:26:07,008 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:26:07,008 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:26:07,008 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:26:07,008 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:26:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-12-23 01:26:07,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 01:26:07,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:07,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:07,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:07,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:07,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1202110748, now seen corresponding path program 1 times [2020-12-23 01:26:07,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:07,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365929377] [2020-12-23 01:26:07,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:07,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365929377] [2020-12-23 01:26:07,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:26:07,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:26:07,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285082672] [2020-12-23 01:26:07,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 01:26:07,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:07,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 01:26:07,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:26:07,392 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-12-23 01:26:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:07,416 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2020-12-23 01:26:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 01:26:07,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-12-23 01:26:07,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:07,436 INFO L225 Difference]: With dead ends: 44 [2020-12-23 01:26:07,436 INFO L226 Difference]: Without dead ends: 20 [2020-12-23 01:26:07,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 01:26:07,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-12-23 01:26:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-12-23 01:26:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-23 01:26:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-12-23 01:26:07,495 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 15 [2020-12-23 01:26:07,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:07,496 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-12-23 01:26:07,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 01:26:07,497 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-12-23 01:26:07,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 01:26:07,499 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:07,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:07,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:26:07,501 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:07,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:07,506 INFO L82 PathProgramCache]: Analyzing trace with hash -944124056, now seen corresponding path program 1 times [2020-12-23 01:26:07,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:07,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768197816] [2020-12-23 01:26:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:07,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768197816] [2020-12-23 01:26:07,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:26:07,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:26:07,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408520823] [2020-12-23 01:26:07,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:26:07,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:07,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:26:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:26:07,693 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 4 states. [2020-12-23 01:26:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:07,831 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-12-23 01:26:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 01:26:07,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-12-23 01:26:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:07,835 INFO L225 Difference]: With dead ends: 41 [2020-12-23 01:26:07,835 INFO L226 Difference]: Without dead ends: 28 [2020-12-23 01:26:07,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:26:07,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-23 01:26:07,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2020-12-23 01:26:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-23 01:26:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-12-23 01:26:07,844 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2020-12-23 01:26:07,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:07,844 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-12-23 01:26:07,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:26:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-23 01:26:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-23 01:26:07,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:07,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:07,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:26:07,846 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:07,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:07,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1401448688, now seen corresponding path program 1 times [2020-12-23 01:26:07,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:07,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42166801] [2020-12-23 01:26:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:08,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42166801] [2020-12-23 01:26:08,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549720452] [2020-12-23 01:26:08,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:08,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-23 01:26:08,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:08,874 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:08,875 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-12-23 01:26:08,887 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:08,910 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:08,924 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:26:08,928 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:08,949 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:08,951 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:08,952 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:29 [2020-12-23 01:26:09,024 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:26:09,031 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:09,049 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:09,053 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:09,058 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-12-23 01:26:09,304 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2020-12-23 01:26:09,307 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:09,324 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:09,326 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:09,326 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2020-12-23 01:26:09,472 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2020-12-23 01:26:09,475 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:09,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:09,495 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:09,496 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:40 [2020-12-23 01:26:09,697 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2020-12-23 01:26:09,699 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:09,717 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:09,728 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:09,728 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:61, output treesize:46 [2020-12-23 01:26:09,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:09,877 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:09,885 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:09,887 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:09,896 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:09,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:09,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:09,913 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:09,918 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:09,921 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:09,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:09,934 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:09,938 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-23 01:26:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:09,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:09,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2020-12-23 01:26:09,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538857030] [2020-12-23 01:26:09,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-23 01:26:09,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:09,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-23 01:26:09,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2020-12-23 01:26:09,986 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 26 states. [2020-12-23 01:26:12,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:12,059 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2020-12-23 01:26:12,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-23 01:26:12,059 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 23 [2020-12-23 01:26:12,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:12,062 INFO L225 Difference]: With dead ends: 57 [2020-12-23 01:26:12,063 INFO L226 Difference]: Without dead ends: 51 [2020-12-23 01:26:12,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 11 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=458, Invalid=1894, Unknown=0, NotChecked=0, Total=2352 [2020-12-23 01:26:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-23 01:26:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 29. [2020-12-23 01:26:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 01:26:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-12-23 01:26:12,074 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 23 [2020-12-23 01:26:12,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:12,075 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-12-23 01:26:12,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-12-23 01:26:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-12-23 01:26:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 01:26:12,076 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:12,076 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:12,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 01:26:12,290 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:12,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1774307726, now seen corresponding path program 2 times [2020-12-23 01:26:12,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:12,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079366142] [2020-12-23 01:26:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 01:26:12,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079366142] [2020-12-23 01:26:12,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717884403] [2020-12-23 01:26:12,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:12,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:26:12,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:12,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:26:12,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 01:26:12,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:12,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-12-23 01:26:12,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426771989] [2020-12-23 01:26:12,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 01:26:12,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:12,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 01:26:12,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-12-23 01:26:12,644 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 10 states. [2020-12-23 01:26:12,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:12,844 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2020-12-23 01:26:12,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 01:26:12,844 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2020-12-23 01:26:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:12,845 INFO L225 Difference]: With dead ends: 73 [2020-12-23 01:26:12,845 INFO L226 Difference]: Without dead ends: 40 [2020-12-23 01:26:12,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-23 01:26:12,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-23 01:26:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 30. [2020-12-23 01:26:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-23 01:26:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-12-23 01:26:12,853 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2020-12-23 01:26:12,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:12,854 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-12-23 01:26:12,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 01:26:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-12-23 01:26:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-23 01:26:12,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:12,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:13,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:13,071 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:13,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1796008330, now seen corresponding path program 3 times [2020-12-23 01:26:13,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:13,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733515072] [2020-12-23 01:26:13,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:26:13,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733515072] [2020-12-23 01:26:13,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653696345] [2020-12-23 01:26:13,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:13,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-23 01:26:13,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:13,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 01:26:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:26:13,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:13,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-12-23 01:26:13,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679996007] [2020-12-23 01:26:13,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 01:26:13,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:13,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 01:26:13,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-23 01:26:13,335 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 10 states. [2020-12-23 01:26:13,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:13,525 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2020-12-23 01:26:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 01:26:13,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2020-12-23 01:26:13,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:13,527 INFO L225 Difference]: With dead ends: 39 [2020-12-23 01:26:13,527 INFO L226 Difference]: Without dead ends: 35 [2020-12-23 01:26:13,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-12-23 01:26:13,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-23 01:26:13,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2020-12-23 01:26:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-23 01:26:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-12-23 01:26:13,535 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 29 [2020-12-23 01:26:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:13,535 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-12-23 01:26:13,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 01:26:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-12-23 01:26:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 01:26:13,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:13,536 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:13,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:13,751 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:13,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:13,752 INFO L82 PathProgramCache]: Analyzing trace with hash 666081912, now seen corresponding path program 4 times [2020-12-23 01:26:13,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:13,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216587956] [2020-12-23 01:26:13,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:15,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216587956] [2020-12-23 01:26:15,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201082680] [2020-12-23 01:26:15,384 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:15,446 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:26:15,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:15,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-23 01:26:15,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:15,478 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:26:15,480 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,490 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:15,507 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:26:15,508 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,518 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:15,519 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,519 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:25 [2020-12-23 01:26:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:15,568 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:26:15,571 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,583 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:15,584 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,584 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-23 01:26:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:15,713 INFO L348 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2020-12-23 01:26:15,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2020-12-23 01:26:15,715 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,732 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:15,733 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,733 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2020-12-23 01:26:15,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:15,873 INFO L348 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2020-12-23 01:26:15,874 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2020-12-23 01:26:15,876 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:15,896 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:15,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:26:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,063 INFO L348 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2020-12-23 01:26:16,064 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 52 [2020-12-23 01:26:16,066 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:16,085 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:16,086 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:16,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:57 [2020-12-23 01:26:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,275 INFO L348 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2020-12-23 01:26:16,276 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2020-12-23 01:26:16,280 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:16,328 INFO L625 ElimStorePlain]: treesize reduction 28, result has 70.8 percent of original size [2020-12-23 01:26:16,330 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:16,330 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:68 [2020-12-23 01:26:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,538 INFO L348 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2020-12-23 01:26:16,539 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 57 [2020-12-23 01:26:16,541 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:16,560 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:16,563 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:16,563 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:84, output treesize:57 [2020-12-23 01:26:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:16,815 INFO L348 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2020-12-23 01:26:16,816 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 94 [2020-12-23 01:26:16,820 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:16,870 INFO L625 ElimStorePlain]: treesize reduction 40, result has 63.6 percent of original size [2020-12-23 01:26:16,873 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:16,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:70 [2020-12-23 01:26:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:17,087 INFO L348 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2020-12-23 01:26:17,088 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 59 [2020-12-23 01:26:17,090 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:17,110 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:17,116 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:17,117 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:86, output treesize:63 [2020-12-23 01:26:17,281 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,284 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:17,297 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:17,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,310 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:26:17,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:17,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-23 01:26:17,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:17,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:17,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 40 [2020-12-23 01:26:17,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079009414] [2020-12-23 01:26:17,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-12-23 01:26:17,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:17,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-12-23 01:26:17,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 01:26:17,392 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 40 states. [2020-12-23 01:26:18,535 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-12-23 01:26:18,768 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 49 [2020-12-23 01:26:19,461 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2020-12-23 01:26:19,635 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2020-12-23 01:26:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:20,493 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-12-23 01:26:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 01:26:20,495 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 31 [2020-12-23 01:26:20,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:20,496 INFO L225 Difference]: With dead ends: 46 [2020-12-23 01:26:20,496 INFO L226 Difference]: Without dead ends: 42 [2020-12-23 01:26:20,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 944 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=456, Invalid=3084, Unknown=0, NotChecked=0, Total=3540 [2020-12-23 01:26:20,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-12-23 01:26:20,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2020-12-23 01:26:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-23 01:26:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-12-23 01:26:20,507 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 31 [2020-12-23 01:26:20,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:20,507 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-12-23 01:26:20,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-12-23 01:26:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-12-23 01:26:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 01:26:20,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:20,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:20,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:20,722 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:20,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:20,723 INFO L82 PathProgramCache]: Analyzing trace with hash 207824378, now seen corresponding path program 5 times [2020-12-23 01:26:20,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:20,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017321066] [2020-12-23 01:26:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:20,807 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:26:20,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017321066] [2020-12-23 01:26:20,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922023007] [2020-12-23 01:26:20,807 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:20,918 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-23 01:26:20,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:20,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:26:20,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:26:21,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:21,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-12-23 01:26:21,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833984614] [2020-12-23 01:26:21,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:26:21,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:21,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:26:21,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:26:21,006 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 13 states. [2020-12-23 01:26:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:21,218 INFO L93 Difference]: Finished difference Result 91 states and 102 transitions. [2020-12-23 01:26:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 01:26:21,219 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2020-12-23 01:26:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:21,220 INFO L225 Difference]: With dead ends: 91 [2020-12-23 01:26:21,220 INFO L226 Difference]: Without dead ends: 48 [2020-12-23 01:26:21,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-12-23 01:26:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-23 01:26:21,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2020-12-23 01:26:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-23 01:26:21,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2020-12-23 01:26:21,228 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 33 [2020-12-23 01:26:21,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:21,229 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2020-12-23 01:26:21,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:26:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2020-12-23 01:26:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-23 01:26:21,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:21,230 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:21,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-23 01:26:21,438 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:21,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1291345410, now seen corresponding path program 6 times [2020-12-23 01:26:21,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:21,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446575143] [2020-12-23 01:26:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 01:26:21,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446575143] [2020-12-23 01:26:21,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768389983] [2020-12-23 01:26:21,555 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:21,635 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2020-12-23 01:26:21,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:21,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-23 01:26:21,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 01:26:21,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:21,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2020-12-23 01:26:21,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610271730] [2020-12-23 01:26:21,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-23 01:26:21,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:21,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-23 01:26:21,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-12-23 01:26:21,770 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 13 states. [2020-12-23 01:26:22,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:22,008 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2020-12-23 01:26:22,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 01:26:22,008 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-12-23 01:26:22,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:22,009 INFO L225 Difference]: With dead ends: 47 [2020-12-23 01:26:22,009 INFO L226 Difference]: Without dead ends: 43 [2020-12-23 01:26:22,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:26:22,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-23 01:26:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-12-23 01:26:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-23 01:26:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-12-23 01:26:22,022 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 37 [2020-12-23 01:26:22,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:22,023 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-12-23 01:26:22,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-23 01:26:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-12-23 01:26:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-23 01:26:22,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:22,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:22,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:22,247 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:22,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:22,248 INFO L82 PathProgramCache]: Analyzing trace with hash 315843584, now seen corresponding path program 7 times [2020-12-23 01:26:22,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:22,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751512013] [2020-12-23 01:26:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:23,321 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2020-12-23 01:26:23,601 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-12-23 01:26:23,745 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-12-23 01:26:24,099 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-23 01:26:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:25,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751512013] [2020-12-23 01:26:25,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221796781] [2020-12-23 01:26:25,170 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:25,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 57 conjunts are in the unsatisfiable core [2020-12-23 01:26:25,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:25,348 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-23 01:26:25,350 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,361 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:25,365 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:26:25,366 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:25,379 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,379 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2020-12-23 01:26:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:25,452 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:26:25,453 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,470 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:25,476 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,476 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2020-12-23 01:26:25,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:25,635 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:25,635 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 56 [2020-12-23 01:26:25,638 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,681 INFO L625 ElimStorePlain]: treesize reduction 20, result has 69.2 percent of original size [2020-12-23 01:26:25,682 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,682 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2020-12-23 01:26:25,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:25,870 INFO L348 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2020-12-23 01:26:25,870 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2020-12-23 01:26:25,872 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,893 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:25,894 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:25,894 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2020-12-23 01:26:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:26,095 INFO L348 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2020-12-23 01:26:26,095 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 56 [2020-12-23 01:26:26,109 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:26,136 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:26,137 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:26,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:66 [2020-12-23 01:26:26,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:26,376 INFO L348 Elim1Store]: treesize reduction 72, result has 14.3 percent of original size [2020-12-23 01:26:26,376 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 60 treesize of output 71 [2020-12-23 01:26:26,379 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:26,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:26,410 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:26,410 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2020-12-23 01:26:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:26,662 INFO L348 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2020-12-23 01:26:26,663 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 76 [2020-12-23 01:26:26,665 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:26,690 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:26,692 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:26,692 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:77 [2020-12-23 01:26:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:26,972 INFO L348 Elim1Store]: treesize reduction 64, result has 39.0 percent of original size [2020-12-23 01:26:26,973 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 83 treesize of output 132 [2020-12-23 01:26:26,979 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:27,062 INFO L625 ElimStorePlain]: treesize reduction 56, result has 62.2 percent of original size [2020-12-23 01:26:27,063 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:27,064 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:92 [2020-12-23 01:26:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:27,368 INFO L348 Elim1Store]: treesize reduction 64, result has 39.0 percent of original size [2020-12-23 01:26:27,369 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 87 treesize of output 132 [2020-12-23 01:26:27,374 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:27,454 INFO L625 ElimStorePlain]: treesize reduction 60, result has 60.0 percent of original size [2020-12-23 01:26:27,455 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:27,456 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:109, output treesize:90 [2020-12-23 01:26:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:27,757 INFO L348 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2020-12-23 01:26:27,757 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 83 [2020-12-23 01:26:27,760 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:27,786 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:27,789 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:27,789 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:92 [2020-12-23 01:26:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:28,150 INFO L348 Elim1Store]: treesize reduction 64, result has 39.0 percent of original size [2020-12-23 01:26:28,151 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 135 [2020-12-23 01:26:28,155 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:28,238 INFO L625 ElimStorePlain]: treesize reduction 64, result has 60.2 percent of original size [2020-12-23 01:26:28,242 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:28,242 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:120, output treesize:97 [2020-12-23 01:26:28,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:28,617 INFO L348 Elim1Store]: treesize reduction 64, result has 39.0 percent of original size [2020-12-23 01:26:28,618 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 96 treesize of output 135 [2020-12-23 01:26:28,623 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:28,696 INFO L625 ElimStorePlain]: treesize reduction 62, result has 62.9 percent of original size [2020-12-23 01:26:28,698 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:28,699 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:118, output treesize:105 [2020-12-23 01:26:29,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:29,070 INFO L348 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2020-12-23 01:26:29,070 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 86 [2020-12-23 01:26:29,072 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:29,104 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:29,110 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:29,110 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:121, output treesize:98 [2020-12-23 01:26:29,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:29,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,369 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:29,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:29,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:29,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:29,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-23 01:26:29,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 13 disjuncts [2020-12-23 01:26:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:29,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:29,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29] total 59 [2020-12-23 01:26:29,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210989295] [2020-12-23 01:26:29,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 59 states [2020-12-23 01:26:29,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:29,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2020-12-23 01:26:29,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=3143, Unknown=0, NotChecked=0, Total=3422 [2020-12-23 01:26:29,525 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 59 states. [2020-12-23 01:26:30,599 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-12-23 01:26:30,830 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-12-23 01:26:31,067 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2020-12-23 01:26:31,373 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-12-23 01:26:32,030 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 51 [2020-12-23 01:26:32,290 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 51 [2020-12-23 01:26:32,606 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 53 [2020-12-23 01:26:32,966 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 54 [2020-12-23 01:26:33,252 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2020-12-23 01:26:33,694 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 62 [2020-12-23 01:26:33,964 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 51 [2020-12-23 01:26:34,272 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2020-12-23 01:26:34,519 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2020-12-23 01:26:34,788 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2020-12-23 01:26:35,044 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2020-12-23 01:26:36,471 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 58 [2020-12-23 01:26:37,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:37,273 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2020-12-23 01:26:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-23 01:26:37,275 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 39 [2020-12-23 01:26:37,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:37,276 INFO L225 Difference]: With dead ends: 57 [2020-12-23 01:26:37,276 INFO L226 Difference]: Without dead ends: 53 [2020-12-23 01:26:37,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2416 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=794, Invalid=7578, Unknown=0, NotChecked=0, Total=8372 [2020-12-23 01:26:37,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-23 01:26:37,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 45. [2020-12-23 01:26:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-23 01:26:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-12-23 01:26:37,288 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 39 [2020-12-23 01:26:37,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:37,288 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-12-23 01:26:37,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 59 states. [2020-12-23 01:26:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-12-23 01:26:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 01:26:37,289 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:37,289 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:37,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:37,492 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:37,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:37,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1363759742, now seen corresponding path program 8 times [2020-12-23 01:26:37,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:37,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383617952] [2020-12-23 01:26:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 01:26:37,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383617952] [2020-12-23 01:26:37,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794706386] [2020-12-23 01:26:37,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:37,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:26:37,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:37,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 01:26:37,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-23 01:26:37,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:37,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2020-12-23 01:26:37,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710055] [2020-12-23 01:26:37,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 01:26:37,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:37,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 01:26:37,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-12-23 01:26:37,792 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 16 states. [2020-12-23 01:26:38,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:38,069 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2020-12-23 01:26:38,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 01:26:38,070 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2020-12-23 01:26:38,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:38,072 INFO L225 Difference]: With dead ends: 109 [2020-12-23 01:26:38,072 INFO L226 Difference]: Without dead ends: 56 [2020-12-23 01:26:38,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-12-23 01:26:38,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-12-23 01:26:38,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 46. [2020-12-23 01:26:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-23 01:26:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2020-12-23 01:26:38,083 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 41 [2020-12-23 01:26:38,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:38,083 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2020-12-23 01:26:38,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 01:26:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-12-23 01:26:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 01:26:38,084 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:38,084 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:38,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 01:26:38,300 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:38,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:38,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1762736762, now seen corresponding path program 9 times [2020-12-23 01:26:38,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:38,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975887981] [2020-12-23 01:26:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:26:38,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975887981] [2020-12-23 01:26:38,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275919564] [2020-12-23 01:26:38,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:38,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-12-23 01:26:38,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:38,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-23 01:26:38,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:26:38,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:38,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2020-12-23 01:26:38,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193716436] [2020-12-23 01:26:38,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-23 01:26:38,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:38,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-23 01:26:38,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-12-23 01:26:38,661 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 16 states. [2020-12-23 01:26:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:26:39,043 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2020-12-23 01:26:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 01:26:39,044 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 45 [2020-12-23 01:26:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:26:39,045 INFO L225 Difference]: With dead ends: 55 [2020-12-23 01:26:39,045 INFO L226 Difference]: Without dead ends: 51 [2020-12-23 01:26:39,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-12-23 01:26:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-23 01:26:39,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2020-12-23 01:26:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-23 01:26:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-12-23 01:26:39,057 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 45 [2020-12-23 01:26:39,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:26:39,057 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-12-23 01:26:39,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-23 01:26:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-12-23 01:26:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 01:26:39,058 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:26:39,058 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:26:39,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:39,273 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:26:39,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:26:39,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1719679608, now seen corresponding path program 10 times [2020-12-23 01:26:39,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:26:39,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174191647] [2020-12-23 01:26:39,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:26:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:26:39,989 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-12-23 01:26:40,121 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-12-23 01:26:40,266 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-12-23 01:26:40,419 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-23 01:26:41,076 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-12-23 01:26:41,422 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-12-23 01:26:41,600 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2020-12-23 01:26:41,806 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-12-23 01:26:42,008 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2020-12-23 01:26:42,184 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-12-23 01:26:42,498 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-12-23 01:26:43,033 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-12-23 01:26:43,360 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-23 01:26:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:44,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174191647] [2020-12-23 01:26:44,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928516852] [2020-12-23 01:26:44,376 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:26:44,446 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:26:44,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:26:44,449 WARN L261 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 65 conjunts are in the unsatisfiable core [2020-12-23 01:26:44,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:26:44,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:44,473 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:26:44,475 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,487 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:44,492 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:26:44,493 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,504 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:44,505 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,505 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:25 [2020-12-23 01:26:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:44,581 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:26:44,583 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:44,599 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,599 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-23 01:26:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:44,791 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:44,792 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 56 [2020-12-23 01:26:44,794 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,830 INFO L625 ElimStorePlain]: treesize reduction 20, result has 68.3 percent of original size [2020-12-23 01:26:44,831 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:44,832 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2020-12-23 01:26:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:45,076 INFO L348 Elim1Store]: treesize reduction 52, result has 45.8 percent of original size [2020-12-23 01:26:45,077 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 71 [2020-12-23 01:26:45,080 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:45,129 INFO L625 ElimStorePlain]: treesize reduction 20, result has 73.3 percent of original size [2020-12-23 01:26:45,130 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:45,131 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:55 [2020-12-23 01:26:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:45,382 INFO L348 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2020-12-23 01:26:45,383 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 54 [2020-12-23 01:26:45,385 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:45,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:45,409 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:45,409 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2020-12-23 01:26:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:45,662 INFO L348 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2020-12-23 01:26:45,663 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 68 [2020-12-23 01:26:45,665 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:45,695 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:45,696 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:45,697 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:73 [2020-12-23 01:26:45,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:45,997 INFO L348 Elim1Store]: treesize reduction 106, result has 10.2 percent of original size [2020-12-23 01:26:45,997 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 69 treesize of output 83 [2020-12-23 01:26:46,000 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:46,034 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:46,035 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:46,035 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:85 [2020-12-23 01:26:46,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:46,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:46,379 INFO L348 Elim1Store]: treesize reduction 76, result has 48.3 percent of original size [2020-12-23 01:26:46,380 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 144 [2020-12-23 01:26:46,384 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:46,476 INFO L625 ElimStorePlain]: treesize reduction 42, result has 67.9 percent of original size [2020-12-23 01:26:46,477 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:46,478 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:89 [2020-12-23 01:26:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:46,835 INFO L348 Elim1Store]: treesize reduction 170, result has 13.3 percent of original size [2020-12-23 01:26:46,835 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 80 treesize of output 100 [2020-12-23 01:26:46,838 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:46,871 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:46,872 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:46,872 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:93 [2020-12-23 01:26:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:47,252 INFO L348 Elim1Store]: treesize reduction 132, result has 29.4 percent of original size [2020-12-23 01:26:47,253 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 101 treesize of output 170 [2020-12-23 01:26:47,257 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:47,353 INFO L625 ElimStorePlain]: treesize reduction 82, result has 55.9 percent of original size [2020-12-23 01:26:47,355 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:47,355 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:104 [2020-12-23 01:26:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:47,812 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2020-12-23 01:26:47,813 INFO L348 Elim1Store]: treesize reduction 149, result has 43.1 percent of original size [2020-12-23 01:26:47,814 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 110 treesize of output 240 [2020-12-23 01:26:47,821 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:47,948 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2020-12-23 01:26:47,948 INFO L625 ElimStorePlain]: treesize reduction 176, result has 39.5 percent of original size [2020-12-23 01:26:47,950 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:47,950 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:115 [2020-12-23 01:26:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:48,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:48,490 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 70 [2020-12-23 01:26:48,491 INFO L348 Elim1Store]: treesize reduction 184, result has 48.2 percent of original size [2020-12-23 01:26:48,492 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 27 case distinctions, treesize of input 121 treesize of output 312 [2020-12-23 01:26:48,500 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:48,649 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 59 [2020-12-23 01:26:48,650 INFO L625 ElimStorePlain]: treesize reduction 330, result has 26.2 percent of original size [2020-12-23 01:26:48,652 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:26:48,652 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:141, output treesize:117 [2020-12-23 01:26:49,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:49,064 INFO L348 Elim1Store]: treesize reduction 132, result has 0.8 percent of original size [2020-12-23 01:26:49,064 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 112 treesize of output 108 [2020-12-23 01:26:49,067 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:49,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:49,103 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:49,103 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:114 [2020-12-23 01:26:49,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:49,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:49,598 INFO L348 Elim1Store]: treesize reduction 132, result has 29.4 percent of original size [2020-12-23 01:26:49,599 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 122 treesize of output 175 [2020-12-23 01:26:49,604 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:49,694 INFO L625 ElimStorePlain]: treesize reduction 88, result has 57.9 percent of original size [2020-12-23 01:26:49,697 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:49,697 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:121 [2020-12-23 01:26:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:50,261 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2020-12-23 01:26:50,262 INFO L348 Elim1Store]: treesize reduction 149, result has 43.1 percent of original size [2020-12-23 01:26:50,262 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 128 treesize of output 245 [2020-12-23 01:26:50,272 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:50,403 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 58 [2020-12-23 01:26:50,404 INFO L625 ElimStorePlain]: treesize reduction 171, result has 42.4 percent of original size [2020-12-23 01:26:50,407 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:50,407 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:148, output treesize:126 [2020-12-23 01:26:50,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:50,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:50,913 INFO L348 Elim1Store]: treesize reduction 132, result has 29.4 percent of original size [2020-12-23 01:26:50,914 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 16 case distinctions, treesize of input 122 treesize of output 175 [2020-12-23 01:26:50,921 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:51,026 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-23 01:26:51,027 INFO L625 ElimStorePlain]: treesize reduction 84, result has 59.4 percent of original size [2020-12-23 01:26:51,030 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:51,030 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:123 [2020-12-23 01:26:51,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:26:51,507 INFO L348 Elim1Store]: treesize reduction 132, result has 0.8 percent of original size [2020-12-23 01:26:51,508 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 120 treesize of output 110 [2020-12-23 01:26:51,511 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:26:51,547 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:26:51,552 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 01:26:51,552 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:137, output treesize:114 [2020-12-23 01:26:52,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:52,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:52,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:52,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:52,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:52,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:52,642 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:52,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:26:52,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:52,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:52,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-23 01:26:52,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:26:52,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-23 01:26:52,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:26:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:26:52,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:26:52,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 35] total 75 [2020-12-23 01:26:52,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337610276] [2020-12-23 01:26:52,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 75 states [2020-12-23 01:26:52,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:26:52,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2020-12-23 01:26:52,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=5192, Unknown=0, NotChecked=0, Total=5550 [2020-12-23 01:26:52,836 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 75 states. [2020-12-23 01:26:53,887 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-12-23 01:26:54,388 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-12-23 01:26:54,665 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2020-12-23 01:26:55,042 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 55 [2020-12-23 01:26:55,753 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-12-23 01:26:56,050 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-12-23 01:26:56,433 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2020-12-23 01:26:56,810 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2020-12-23 01:26:57,245 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2020-12-23 01:26:57,630 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 57 [2020-12-23 01:26:58,251 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 63 [2020-12-23 01:26:58,931 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 69 [2020-12-23 01:26:59,489 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 53 [2020-12-23 01:26:59,987 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2020-12-23 01:27:00,330 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-12-23 01:27:00,741 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2020-12-23 01:27:01,142 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 65 [2020-12-23 01:27:01,549 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-23 01:27:01,952 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2020-12-23 01:27:02,329 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2020-12-23 01:27:02,786 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2020-12-23 01:27:04,376 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 62 [2020-12-23 01:27:04,735 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2020-12-23 01:27:05,094 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2020-12-23 01:27:05,453 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2020-12-23 01:27:05,757 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-12-23 01:27:06,091 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2020-12-23 01:27:06,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:06,806 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2020-12-23 01:27:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-12-23 01:27:06,807 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 47 [2020-12-23 01:27:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:06,807 INFO L225 Difference]: With dead ends: 67 [2020-12-23 01:27:06,808 INFO L226 Difference]: Without dead ends: 63 [2020-12-23 01:27:06,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3998 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=897, Invalid=11985, Unknown=0, NotChecked=0, Total=12882 [2020-12-23 01:27:06,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-12-23 01:27:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 53. [2020-12-23 01:27:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-23 01:27:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2020-12-23 01:27:06,826 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 47 [2020-12-23 01:27:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:06,827 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2020-12-23 01:27:06,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 75 states. [2020-12-23 01:27:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2020-12-23 01:27:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 01:27:06,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:06,828 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:07,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:07,043 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:07,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:07,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1003539722, now seen corresponding path program 11 times [2020-12-23 01:27:07,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:07,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344813603] [2020-12-23 01:27:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:27:07,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344813603] [2020-12-23 01:27:07,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846662939] [2020-12-23 01:27:07,174 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:07,543 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-12-23 01:27:07,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:07,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:27:07,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 01:27:07,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:27:07,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2020-12-23 01:27:07,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108945564] [2020-12-23 01:27:07,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 01:27:07,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:07,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 01:27:07,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:27:07,743 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 19 states. [2020-12-23 01:27:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:08,130 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-12-23 01:27:08,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 01:27:08,131 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 49 [2020-12-23 01:27:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:08,132 INFO L225 Difference]: With dead ends: 127 [2020-12-23 01:27:08,132 INFO L226 Difference]: Without dead ends: 64 [2020-12-23 01:27:08,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-12-23 01:27:08,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-23 01:27:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2020-12-23 01:27:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-23 01:27:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2020-12-23 01:27:08,161 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 49 [2020-12-23 01:27:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:08,161 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2020-12-23 01:27:08,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 01:27:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2020-12-23 01:27:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 01:27:08,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:08,162 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:08,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 01:27:08,378 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:08,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:08,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1094746382, now seen corresponding path program 12 times [2020-12-23 01:27:08,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:08,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931742664] [2020-12-23 01:27:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:27:08,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931742664] [2020-12-23 01:27:08,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336936223] [2020-12-23 01:27:08,536 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:08,816 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-12-23 01:27:08,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:08,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-23 01:27:08,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:27:08,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:27:08,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2020-12-23 01:27:08,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678618973] [2020-12-23 01:27:08,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-23 01:27:08,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-23 01:27:08,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-12-23 01:27:08,999 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 19 states. [2020-12-23 01:27:09,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:09,478 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2020-12-23 01:27:09,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 01:27:09,479 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 53 [2020-12-23 01:27:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:09,480 INFO L225 Difference]: With dead ends: 63 [2020-12-23 01:27:09,480 INFO L226 Difference]: Without dead ends: 59 [2020-12-23 01:27:09,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2020-12-23 01:27:09,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-23 01:27:09,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-12-23 01:27:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-23 01:27:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2020-12-23 01:27:09,513 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 53 [2020-12-23 01:27:09,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:09,513 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2020-12-23 01:27:09,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-23 01:27:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2020-12-23 01:27:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 01:27:09,514 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:09,514 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:09,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 01:27:09,723 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:09,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:09,724 INFO L82 PathProgramCache]: Analyzing trace with hash -162480368, now seen corresponding path program 13 times [2020-12-23 01:27:09,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:09,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48395851] [2020-12-23 01:27:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:10,695 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 44 [2020-12-23 01:27:10,841 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-12-23 01:27:10,998 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-23 01:27:11,179 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-12-23 01:27:11,359 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-23 01:27:11,665 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-12-23 01:27:11,834 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-12-23 01:27:12,034 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2020-12-23 01:27:12,240 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-12-23 01:27:12,525 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-12-23 01:27:12,878 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-12-23 01:27:13,190 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-12-23 01:27:13,483 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-12-23 01:27:13,816 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-12-23 01:27:14,093 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-12-23 01:27:14,351 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-12-23 01:27:14,532 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-12-23 01:27:14,763 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2020-12-23 01:27:14,959 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2020-12-23 01:27:15,235 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-12-23 01:27:15,450 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-12-23 01:27:15,721 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2020-12-23 01:27:15,950 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-12-23 01:27:16,224 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-12-23 01:27:16,427 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-23 01:27:16,638 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2020-12-23 01:27:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:27:18,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48395851] [2020-12-23 01:27:18,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916544505] [2020-12-23 01:27:18,361 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:18,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 80 conjunts are in the unsatisfiable core [2020-12-23 01:27:18,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:18,610 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:18,611 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-12-23 01:27:18,614 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:18,629 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:18,634 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:27:18,636 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:18,650 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:18,651 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:18,651 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:26 [2020-12-23 01:27:18,752 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:27:18,758 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:18,776 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:18,777 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:18,777 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2020-12-23 01:27:19,009 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:19,009 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 56 [2020-12-23 01:27:19,011 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,075 INFO L625 ElimStorePlain]: treesize reduction 20, result has 68.8 percent of original size [2020-12-23 01:27:19,076 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,076 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2020-12-23 01:27:19,373 INFO L348 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2020-12-23 01:27:19,374 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 98 [2020-12-23 01:27:19,377 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,440 INFO L625 ElimStorePlain]: treesize reduction 42, result has 55.8 percent of original size [2020-12-23 01:27:19,441 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,441 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2020-12-23 01:27:19,804 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-12-23 01:27:19,805 INFO L348 Elim1Store]: treesize reduction 32, result has 77.5 percent of original size [2020-12-23 01:27:19,807 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 140 [2020-12-23 01:27:19,810 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,895 INFO L625 ElimStorePlain]: treesize reduction 64, result has 49.2 percent of original size [2020-12-23 01:27:19,896 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:19,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2020-12-23 01:27:20,236 INFO L348 Elim1Store]: treesize reduction 164, result has 17.6 percent of original size [2020-12-23 01:27:20,237 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 66 [2020-12-23 01:27:20,239 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:20,270 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,270 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2020-12-23 01:27:20,594 INFO L348 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2020-12-23 01:27:20,595 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 80 [2020-12-23 01:27:20,597 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,645 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:20,646 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:20,647 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:83 [2020-12-23 01:27:21,030 INFO L348 Elim1Store]: treesize reduction 112, result has 22.2 percent of original size [2020-12-23 01:27:21,031 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 114 [2020-12-23 01:27:21,034 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,125 INFO L625 ElimStorePlain]: treesize reduction 20, result has 81.8 percent of original size [2020-12-23 01:27:21,126 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,127 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2020-12-23 01:27:21,575 INFO L348 Elim1Store]: treesize reduction 122, result has 36.8 percent of original size [2020-12-23 01:27:21,575 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 82 treesize of output 156 [2020-12-23 01:27:21,579 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,693 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-12-23 01:27:21,694 INFO L625 ElimStorePlain]: treesize reduction 42, result has 70.2 percent of original size [2020-12-23 01:27:21,695 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:21,696 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2020-12-23 01:27:22,218 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-12-23 01:27:22,219 INFO L348 Elim1Store]: treesize reduction 144, result has 43.3 percent of original size [2020-12-23 01:27:22,220 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 91 treesize of output 198 [2020-12-23 01:27:22,224 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:22,358 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2020-12-23 01:27:22,359 INFO L625 ElimStorePlain]: treesize reduction 64, result has 62.8 percent of original size [2020-12-23 01:27:22,360 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:22,360 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2020-12-23 01:27:22,844 INFO L348 Elim1Store]: treesize reduction 276, result has 11.3 percent of original size [2020-12-23 01:27:22,845 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 98 treesize of output 124 [2020-12-23 01:27:22,849 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:22,899 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:22,900 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:22,901 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:112 [2020-12-23 01:27:23,459 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:23,460 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:23,460 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 119 treesize of output 208 [2020-12-23 01:27:23,465 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:23,611 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2020-12-23 01:27:23,612 INFO L625 ElimStorePlain]: treesize reduction 92, result has 58.0 percent of original size [2020-12-23 01:27:23,613 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:23,613 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:127 [2020-12-23 01:27:24,164 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:24,165 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:24,166 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 123 treesize of output 208 [2020-12-23 01:27:24,171 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:24,302 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2020-12-23 01:27:24,303 INFO L625 ElimStorePlain]: treesize reduction 112, result has 53.5 percent of original size [2020-12-23 01:27:24,304 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:24,305 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:144, output treesize:129 [2020-12-23 01:27:24,883 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:24,884 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:24,885 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 131 treesize of output 210 [2020-12-23 01:27:24,889 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,024 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2020-12-23 01:27:25,025 INFO L625 ElimStorePlain]: treesize reduction 108, result has 55.0 percent of original size [2020-12-23 01:27:25,027 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:152, output treesize:132 [2020-12-23 01:27:25,647 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:25,648 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:25,649 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 134 treesize of output 211 [2020-12-23 01:27:25,655 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,802 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2020-12-23 01:27:25,803 INFO L625 ElimStorePlain]: treesize reduction 115, result has 57.6 percent of original size [2020-12-23 01:27:25,804 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:27:25,804 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:156 [2020-12-23 01:27:26,333 INFO L348 Elim1Store]: treesize reduction 224, result has 0.4 percent of original size [2020-12-23 01:27:26,334 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 152 treesize of output 136 [2020-12-23 01:27:26,340 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:26,387 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:26,390 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:27:26,391 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:170, output treesize:133 [2020-12-23 01:27:27,047 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:27,048 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:27,049 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 140 treesize of output 213 [2020-12-23 01:27:27,054 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:27,187 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2020-12-23 01:27:27,188 INFO L625 ElimStorePlain]: treesize reduction 112, result has 54.1 percent of original size [2020-12-23 01:27:27,191 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:27:27,191 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:132 [2020-12-23 01:27:27,935 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2020-12-23 01:27:27,935 INFO L348 Elim1Store]: treesize reduction 241, result has 37.1 percent of original size [2020-12-23 01:27:27,936 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 3 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 137 treesize of output 296 [2020-12-23 01:27:27,966 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:28,125 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-12-23 01:27:28,125 INFO L625 ElimStorePlain]: treesize reduction 263, result has 33.1 percent of original size [2020-12-23 01:27:28,128 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:27:28,128 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:158, output treesize:130 [2020-12-23 01:27:28,812 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:28,813 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:28,814 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 132 treesize of output 211 [2020-12-23 01:27:28,820 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:28,950 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2020-12-23 01:27:28,951 INFO L625 ElimStorePlain]: treesize reduction 88, result has 58.3 percent of original size [2020-12-23 01:27:28,953 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:27:28,953 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:153, output treesize:123 [2020-12-23 01:27:29,633 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-12-23 01:27:29,633 INFO L348 Elim1Store]: treesize reduction 224, result has 23.5 percent of original size [2020-12-23 01:27:29,634 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 125 treesize of output 210 [2020-12-23 01:27:29,640 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:29,778 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2020-12-23 01:27:29,779 INFO L625 ElimStorePlain]: treesize reduction 116, result has 54.7 percent of original size [2020-12-23 01:27:29,782 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:27:29,782 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:146, output treesize:140 [2020-12-23 01:27:30,411 INFO L348 Elim1Store]: treesize reduction 224, result has 0.4 percent of original size [2020-12-23 01:27:30,411 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 138 treesize of output 134 [2020-12-23 01:27:30,416 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:27:30,468 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:27:30,473 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 01:27:30,474 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:156, output treesize:127 [2020-12-23 01:27:30,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:30,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:27:30,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:30,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:30,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:30,906 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:30,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:30,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-23 01:27:30,918 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:30,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:27:30,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:27:30,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-23 01:27:30,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-12-23 01:27:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:27:31,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:27:31,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 45] total 93 [2020-12-23 01:27:31,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021697290] [2020-12-23 01:27:31,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 93 states [2020-12-23 01:27:31,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:31,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2020-12-23 01:27:31,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=8010, Unknown=0, NotChecked=0, Total=8556 [2020-12-23 01:27:31,141 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 93 states. [2020-12-23 01:27:32,287 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-12-23 01:27:32,618 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 39 [2020-12-23 01:27:32,927 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2020-12-23 01:27:33,249 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-12-23 01:27:33,607 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-12-23 01:27:34,048 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2020-12-23 01:27:34,407 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2020-12-23 01:27:35,020 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 56 [2020-12-23 01:27:35,410 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-12-23 01:27:35,983 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2020-12-23 01:27:36,328 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 57 [2020-12-23 01:27:36,677 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2020-12-23 01:27:37,112 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-12-23 01:27:37,532 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 57 [2020-12-23 01:27:38,004 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 60 [2020-12-23 01:27:38,456 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2020-12-23 01:27:39,035 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 64 [2020-12-23 01:27:39,574 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 64 [2020-12-23 01:27:40,331 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2020-12-23 01:27:41,439 WARN L197 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 72 [2020-12-23 01:27:41,965 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-12-23 01:27:42,613 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2020-12-23 01:27:43,041 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2020-12-23 01:27:43,469 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-12-23 01:27:43,991 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 68 [2020-12-23 01:27:44,501 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 67 [2020-12-23 01:27:45,016 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 70 [2020-12-23 01:27:45,531 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 66 [2020-12-23 01:27:46,129 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 66 [2020-12-23 01:27:46,721 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-12-23 01:27:47,282 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-12-23 01:27:47,740 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2020-12-23 01:27:48,150 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2020-12-23 01:27:48,991 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2020-12-23 01:27:49,410 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2020-12-23 01:27:49,822 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-12-23 01:27:50,236 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2020-12-23 01:27:50,637 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-12-23 01:27:51,016 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-12-23 01:27:51,370 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-12-23 01:27:51,767 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2020-12-23 01:27:52,198 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2020-12-23 01:27:52,567 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2020-12-23 01:27:53,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:53,399 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2020-12-23 01:27:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-12-23 01:27:53,400 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 55 [2020-12-23 01:27:53,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:53,401 INFO L225 Difference]: With dead ends: 77 [2020-12-23 01:27:53,401 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 01:27:53,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6012 ImplicationChecksByTransitivity, 33.0s TimeCoverageRelationStatistics Valid=1475, Invalid=18547, Unknown=0, NotChecked=0, Total=20022 [2020-12-23 01:27:53,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 01:27:53,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2020-12-23 01:27:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-12-23 01:27:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2020-12-23 01:27:53,418 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 55 [2020-12-23 01:27:53,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:53,418 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2020-12-23 01:27:53,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 93 states. [2020-12-23 01:27:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-12-23 01:27:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 01:27:53,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:53,419 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:53,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-23 01:27:53,625 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:53,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:53,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1471576942, now seen corresponding path program 14 times [2020-12-23 01:27:53,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:53,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897495175] [2020-12-23 01:27:53,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:27:53,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897495175] [2020-12-23 01:27:53,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404299747] [2020-12-23 01:27:53,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:53,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-23 01:27:53,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:53,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:27:53,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-12-23 01:27:54,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:27:54,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2020-12-23 01:27:54,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178096166] [2020-12-23 01:27:54,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 01:27:54,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:54,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 01:27:54,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2020-12-23 01:27:54,154 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 22 states. [2020-12-23 01:27:54,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:54,724 INFO L93 Difference]: Finished difference Result 145 states and 156 transitions. [2020-12-23 01:27:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 01:27:54,725 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 57 [2020-12-23 01:27:54,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:54,726 INFO L225 Difference]: With dead ends: 145 [2020-12-23 01:27:54,726 INFO L226 Difference]: Without dead ends: 72 [2020-12-23 01:27:54,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2020-12-23 01:27:54,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-23 01:27:54,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2020-12-23 01:27:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-23 01:27:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-12-23 01:27:54,751 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 57 [2020-12-23 01:27:54,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:54,751 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-12-23 01:27:54,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 01:27:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-12-23 01:27:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 01:27:54,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:54,752 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:54,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:54,953 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:54,954 INFO L82 PathProgramCache]: Analyzing trace with hash -392899434, now seen corresponding path program 15 times [2020-12-23 01:27:54,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:54,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986182095] [2020-12-23 01:27:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 45 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 01:27:55,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986182095] [2020-12-23 01:27:55,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481040912] [2020-12-23 01:27:55,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:27:55,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-12-23 01:27:55,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:27:55,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-23 01:27:55,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:27:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 01:27:55,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:27:55,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2020-12-23 01:27:55,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700888180] [2020-12-23 01:27:55,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-23 01:27:55,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:27:55,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-23 01:27:55,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2020-12-23 01:27:55,762 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 22 states. [2020-12-23 01:27:56,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:27:56,548 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2020-12-23 01:27:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 01:27:56,549 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2020-12-23 01:27:56,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:27:56,550 INFO L225 Difference]: With dead ends: 71 [2020-12-23 01:27:56,550 INFO L226 Difference]: Without dead ends: 67 [2020-12-23 01:27:56,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=265, Invalid=857, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 01:27:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-23 01:27:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2020-12-23 01:27:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-12-23 01:27:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2020-12-23 01:27:56,563 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 61 [2020-12-23 01:27:56,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:27:56,563 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2020-12-23 01:27:56,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-23 01:27:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-12-23 01:27:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 01:27:56,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:27:56,564 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:27:56,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 01:27:56,765 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:27:56,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:27:56,766 INFO L82 PathProgramCache]: Analyzing trace with hash 434000024, now seen corresponding path program 16 times [2020-12-23 01:27:56,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:27:56,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371666569] [2020-12-23 01:27:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:27:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:27:58,309 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-12-23 01:27:58,463 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2020-12-23 01:27:58,631 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-23 01:27:58,785 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2020-12-23 01:27:58,977 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-12-23 01:27:59,127 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-12-23 01:27:59,309 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2020-12-23 01:27:59,483 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-12-23 01:27:59,701 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-12-23 01:27:59,913 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-12-23 01:28:00,226 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-12-23 01:28:00,502 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-12-23 01:28:00,836 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-12-23 01:28:01,131 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-12-23 01:28:01,471 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-12-23 01:28:01,794 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-12-23 01:28:02,091 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-12-23 01:28:02,370 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2020-12-23 01:28:02,641 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-12-23 01:28:02,990 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2020-12-23 01:28:03,255 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-23 01:28:03,632 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2020-12-23 01:28:03,940 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-12-23 01:28:04,497 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2020-12-23 01:28:04,807 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2020-12-23 01:28:05,161 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2020-12-23 01:28:05,508 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2020-12-23 01:28:05,818 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2020-12-23 01:28:06,095 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-12-23 01:28:06,398 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2020-12-23 01:28:07,623 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-12-23 01:28:07,871 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-12-23 01:28:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 22 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:28:09,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371666569] [2020-12-23 01:28:09,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993294526] [2020-12-23 01:28:09,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:28:09,308 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-23 01:28:09,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:28:09,310 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 89 conjunts are in the unsatisfiable core [2020-12-23 01:28:09,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:28:09,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:09,331 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-12-23 01:28:09,334 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,350 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:09,357 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:28:09,358 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:09,374 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,374 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:25 [2020-12-23 01:28:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:09,506 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:28:09,508 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,528 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:09,529 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,529 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-12-23 01:28:09,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:09,820 INFO L348 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2020-12-23 01:28:09,821 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2020-12-23 01:28:09,823 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,846 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:09,847 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:09,848 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2020-12-23 01:28:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:10,228 INFO L348 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2020-12-23 01:28:10,228 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 98 [2020-12-23 01:28:10,231 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:10,308 INFO L625 ElimStorePlain]: treesize reduction 42, result has 55.3 percent of original size [2020-12-23 01:28:10,309 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:10,310 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2020-12-23 01:28:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:10,737 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-12-23 01:28:10,738 INFO L348 Elim1Store]: treesize reduction 77, result has 51.9 percent of original size [2020-12-23 01:28:10,738 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 113 [2020-12-23 01:28:10,741 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:10,838 INFO L625 ElimStorePlain]: treesize reduction 42, result has 60.4 percent of original size [2020-12-23 01:28:10,839 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:10,839 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2020-12-23 01:28:11,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:11,370 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-12-23 01:28:11,371 INFO L348 Elim1Store]: treesize reduction 66, result has 69.3 percent of original size [2020-12-23 01:28:11,371 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 182 [2020-12-23 01:28:11,375 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:11,494 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-12-23 01:28:11,496 INFO L625 ElimStorePlain]: treesize reduction 86, result has 44.9 percent of original size [2020-12-23 01:28:11,498 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:11,498 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2020-12-23 01:28:11,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:11,970 INFO L348 Elim1Store]: treesize reduction 236, result has 15.7 percent of original size [2020-12-23 01:28:11,971 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 78 [2020-12-23 01:28:11,974 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:12,015 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:12,018 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:12,018 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:77 [2020-12-23 01:28:12,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,450 INFO L348 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2020-12-23 01:28:12,451 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 92 [2020-12-23 01:28:12,453 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:12,503 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:12,505 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:12,505 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:91 [2020-12-23 01:28:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,033 INFO L348 Elim1Store]: treesize reduction 170, result has 15.8 percent of original size [2020-12-23 01:28:13,034 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 82 treesize of output 126 [2020-12-23 01:28:13,037 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:13,157 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-23 01:28:13,158 INFO L625 ElimStorePlain]: treesize reduction 20, result has 83.1 percent of original size [2020-12-23 01:28:13,159 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:13,159 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:102, output treesize:98 [2020-12-23 01:28:13,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:13,735 INFO L348 Elim1Store]: treesize reduction 222, result has 16.5 percent of original size [2020-12-23 01:28:13,736 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 18 case distinctions, treesize of input 94 treesize of output 141 [2020-12-23 01:28:13,740 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:13,871 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-23 01:28:13,872 INFO L625 ElimStorePlain]: treesize reduction 20, result has 84.6 percent of original size [2020-12-23 01:28:13,873 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:13,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:114, output treesize:110 [2020-12-23 01:28:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:14,510 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 28 [2020-12-23 01:28:14,511 INFO L348 Elim1Store]: treesize reduction 292, result has 16.1 percent of original size [2020-12-23 01:28:14,512 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 106 treesize of output 156 [2020-12-23 01:28:14,516 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:14,658 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2020-12-23 01:28:14,658 INFO L625 ElimStorePlain]: treesize reduction 20, result has 85.9 percent of original size [2020-12-23 01:28:14,660 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:14,660 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:122 [2020-12-23 01:28:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:15,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:15,366 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 33 [2020-12-23 01:28:15,367 INFO L348 Elim1Store]: treesize reduction 380, result has 15.2 percent of original size [2020-12-23 01:28:15,367 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 118 treesize of output 171 [2020-12-23 01:28:15,371 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:15,527 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-12-23 01:28:15,528 INFO L625 ElimStorePlain]: treesize reduction 20, result has 87.0 percent of original size [2020-12-23 01:28:15,529 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:15,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:134 [2020-12-23 01:28:16,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:16,292 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-12-23 01:28:16,293 INFO L348 Elim1Store]: treesize reduction 406, result has 9.8 percent of original size [2020-12-23 01:28:16,293 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 30 case distinctions, treesize of input 116 treesize of output 148 [2020-12-23 01:28:16,298 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:16,372 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:16,374 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:16,375 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:133, output treesize:129 [2020-12-23 01:28:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:17,227 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:17,228 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:17,228 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 137 treesize of output 246 [2020-12-23 01:28:17,237 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:17,419 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2020-12-23 01:28:17,420 INFO L625 ElimStorePlain]: treesize reduction 96, result has 59.3 percent of original size [2020-12-23 01:28:17,421 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:17,422 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:157, output treesize:140 [2020-12-23 01:28:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:18,313 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 64 [2020-12-23 01:28:18,314 INFO L348 Elim1Store]: treesize reduction 307, result has 32.2 percent of original size [2020-12-23 01:28:18,315 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 146 treesize of output 314 [2020-12-23 01:28:18,322 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:18,514 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-12-23 01:28:18,515 INFO L625 ElimStorePlain]: treesize reduction 162, result has 49.8 percent of original size [2020-12-23 01:28:18,517 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:18,517 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:166, output treesize:161 [2020-12-23 01:28:19,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:19,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:19,577 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 87 [2020-12-23 01:28:19,578 INFO L348 Elim1Store]: treesize reduction 342, result has 39.3 percent of original size [2020-12-23 01:28:19,579 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 3 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 43 case distinctions, treesize of input 168 treesize of output 405 [2020-12-23 01:28:19,602 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:19,846 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2020-12-23 01:28:19,847 INFO L625 ElimStorePlain]: treesize reduction 393, result has 31.5 percent of original size [2020-12-23 01:28:19,849 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:19,849 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:188, output treesize:181 [2020-12-23 01:28:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:20,731 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:20,732 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:20,733 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 171 treesize of output 252 [2020-12-23 01:28:20,741 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:20,934 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 69 [2020-12-23 01:28:20,935 INFO L625 ElimStorePlain]: treesize reduction 133, result has 56.5 percent of original size [2020-12-23 01:28:20,937 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:20,937 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:173 [2020-12-23 01:28:21,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:21,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:21,943 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 62 [2020-12-23 01:28:21,944 INFO L348 Elim1Store]: treesize reduction 299, result has 32.2 percent of original size [2020-12-23 01:28:21,945 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 181 treesize of output 315 [2020-12-23 01:28:21,953 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:22,169 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2020-12-23 01:28:22,170 INFO L625 ElimStorePlain]: treesize reduction 301, result has 35.7 percent of original size [2020-12-23 01:28:22,172 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:28:22,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:201, output treesize:167 [2020-12-23 01:28:22,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:22,930 INFO L348 Elim1Store]: treesize reduction 340, result has 0.3 percent of original size [2020-12-23 01:28:22,930 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 3 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 162 treesize of output 158 [2020-12-23 01:28:22,934 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:23,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:23,015 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:23,016 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:179, output treesize:174 [2020-12-23 01:28:23,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:23,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:24,076 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:24,077 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:24,078 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 182 treesize of output 255 [2020-12-23 01:28:24,084 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:24,282 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2020-12-23 01:28:24,284 INFO L625 ElimStorePlain]: treesize reduction 104, result has 60.8 percent of original size [2020-12-23 01:28:24,287 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:24,288 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:202, output treesize:161 [2020-12-23 01:28:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:25,328 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:25,329 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:25,330 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 154 treesize of output 251 [2020-12-23 01:28:25,337 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:25,534 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2020-12-23 01:28:25,535 INFO L625 ElimStorePlain]: treesize reduction 118, result has 58.6 percent of original size [2020-12-23 01:28:25,538 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:25,538 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:174, output treesize:167 [2020-12-23 01:28:26,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:26,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:26,611 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:26,612 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:26,613 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 168 treesize of output 253 [2020-12-23 01:28:26,620 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:26,845 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2020-12-23 01:28:26,851 INFO L625 ElimStorePlain]: treesize reduction 136, result has 53.1 percent of original size [2020-12-23 01:28:26,854 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:26,854 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:188, output treesize:154 [2020-12-23 01:28:27,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:28,097 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:28,098 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:28,098 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 157 treesize of output 250 [2020-12-23 01:28:28,107 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:28,316 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-12-23 01:28:28,317 INFO L625 ElimStorePlain]: treesize reduction 201, result has 43.4 percent of original size [2020-12-23 01:28:28,320 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:28,321 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:177, output treesize:154 [2020-12-23 01:28:29,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:29,448 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 46 [2020-12-23 01:28:29,450 INFO L348 Elim1Store]: treesize reduction 340, result has 19.6 percent of original size [2020-12-23 01:28:29,450 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 159 treesize of output 250 [2020-12-23 01:28:29,458 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:29,677 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-12-23 01:28:29,680 INFO L625 ElimStorePlain]: treesize reduction 192, result has 44.5 percent of original size [2020-12-23 01:28:29,689 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:29,689 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:179, output treesize:154 [2020-12-23 01:28:30,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:30,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:28:30,634 INFO L348 Elim1Store]: treesize reduction 340, result has 0.3 percent of original size [2020-12-23 01:28:30,635 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 3 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 30 case distinctions, treesize of input 157 treesize of output 157 [2020-12-23 01:28:30,640 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:28:30,718 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:28:30,724 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-23 01:28:30,725 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:174, output treesize:158 [2020-12-23 01:28:31,450 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,457 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:28:31,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:28:31,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,482 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-23 01:28:31,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-23 01:28:31,490 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-23 01:28:31,496 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 18 disjuncts [2020-12-23 01:28:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:28:31,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:28:31,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 51] total 105 [2020-12-23 01:28:31,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744321165] [2020-12-23 01:28:31,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 105 states [2020-12-23 01:28:31,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:28:31,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2020-12-23 01:28:31,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=10248, Unknown=0, NotChecked=0, Total=10920 [2020-12-23 01:28:31,906 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 105 states. [2020-12-23 01:28:33,739 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-12-23 01:28:34,510 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-12-23 01:28:34,953 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-12-23 01:28:35,436 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2020-12-23 01:28:35,877 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-12-23 01:28:36,320 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-12-23 01:28:36,840 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2020-12-23 01:28:37,539 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-12-23 01:28:38,349 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 55 [2020-12-23 01:28:39,270 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2020-12-23 01:28:39,670 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-12-23 01:28:40,154 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 54 [2020-12-23 01:28:40,759 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 57 [2020-12-23 01:28:41,324 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2020-12-23 01:28:41,927 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2020-12-23 01:28:42,506 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2020-12-23 01:28:43,158 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 65 [2020-12-23 01:28:43,803 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 65 [2020-12-23 01:28:44,654 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 72 [2020-12-23 01:28:45,525 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2020-12-23 01:28:46,460 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 80 [2020-12-23 01:28:47,352 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 82 [2020-12-23 01:28:48,584 WARN L197 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 73 [2020-12-23 01:28:49,920 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 82 [2020-12-23 01:28:50,453 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2020-12-23 01:28:51,013 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 70 [2020-12-23 01:28:51,758 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 70 [2020-12-23 01:28:52,394 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 75 [2020-12-23 01:28:53,136 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 77 [2020-12-23 01:28:53,853 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 79 [2020-12-23 01:28:54,608 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 72 [2020-12-23 01:28:55,346 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 74 [2020-12-23 01:28:56,111 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 74 [2020-12-23 01:28:56,863 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 74 [2020-12-23 01:28:57,677 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 70 [2020-12-23 01:28:58,565 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 96 [2020-12-23 01:28:59,520 WARN L197 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 89 [2020-12-23 01:29:00,228 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2020-12-23 01:29:00,680 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-12-23 01:29:01,194 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 57 [2020-12-23 01:29:01,611 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2020-12-23 01:29:02,305 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 59 [2020-12-23 01:29:02,734 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-12-23 01:29:02,987 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 29 [2020-12-23 01:29:03,479 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2020-12-23 01:29:04,013 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-12-23 01:29:04,342 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2020-12-23 01:29:04,778 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2020-12-23 01:29:05,367 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2020-12-23 01:29:05,712 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 36 [2020-12-23 01:29:06,154 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-12-23 01:29:06,746 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-12-23 01:29:07,193 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 62 [2020-12-23 01:29:07,667 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2020-12-23 01:29:08,125 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 60 [2020-12-23 01:29:08,600 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-12-23 01:29:09,073 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 55 [2020-12-23 01:29:09,669 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-12-23 01:29:10,344 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 64 [2020-12-23 01:29:11,110 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 43 [2020-12-23 01:29:11,828 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 43 [2020-12-23 01:29:12,472 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-12-23 01:29:12,878 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2020-12-23 01:29:13,524 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 64 [2020-12-23 01:29:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:29:13,574 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2020-12-23 01:29:13,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-12-23 01:29:13,576 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 63 [2020-12-23 01:29:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:29:13,577 INFO L225 Difference]: With dead ends: 97 [2020-12-23 01:29:13,578 INFO L226 Difference]: Without dead ends: 91 [2020-12-23 01:29:13,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9547 ImplicationChecksByTransitivity, 56.0s TimeCoverageRelationStatistics Valid=2235, Invalid=27867, Unknown=0, NotChecked=0, Total=30102 [2020-12-23 01:29:13,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-23 01:29:13,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 66. [2020-12-23 01:29:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 01:29:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-12-23 01:29:13,594 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 63 [2020-12-23 01:29:13,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:29:13,594 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-12-23 01:29:13,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 105 states. [2020-12-23 01:29:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-12-23 01:29:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 01:29:13,595 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:29:13,595 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:29:13,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-23 01:29:13,810 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:29:13,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:29:13,811 INFO L82 PathProgramCache]: Analyzing trace with hash 515429402, now seen corresponding path program 17 times [2020-12-23 01:29:13,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:29:13,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900149268] [2020-12-23 01:29:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:29:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:29:14,175 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 01:29:14,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900149268] [2020-12-23 01:29:14,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345943376] [2020-12-23 01:29:14,175 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:29:15,783 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-12-23 01:29:15,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:29:15,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-23 01:29:15,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:29:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 01:29:16,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 01:29:16,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2020-12-23 01:29:16,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792938949] [2020-12-23 01:29:16,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-23 01:29:16,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:29:16,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-23 01:29:16,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-12-23 01:29:16,205 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 25 states. [2020-12-23 01:29:17,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:29:17,055 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2020-12-23 01:29:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 01:29:17,057 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 65 [2020-12-23 01:29:17,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:29:17,058 INFO L225 Difference]: With dead ends: 156 [2020-12-23 01:29:17,058 INFO L226 Difference]: Without dead ends: 76 [2020-12-23 01:29:17,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2020-12-23 01:29:17,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-12-23 01:29:17,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2020-12-23 01:29:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 01:29:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2020-12-23 01:29:17,077 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 65 [2020-12-23 01:29:17,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:29:17,077 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2020-12-23 01:29:17,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-23 01:29:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2020-12-23 01:29:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 01:29:17,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:29:17,078 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:29:17,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:29:17,286 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:29:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:29:17,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1430226400, now seen corresponding path program 18 times [2020-12-23 01:29:17,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:29:17,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256098213] [2020-12-23 01:29:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:29:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:29:18,057 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-23 01:29:18,199 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-23 01:29:18,353 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-12-23 01:29:18,525 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2020-12-23 01:29:18,709 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-12-23 01:29:18,914 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2020-12-23 01:29:19,148 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-23 01:29:19,362 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2020-12-23 01:29:19,605 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-12-23 01:29:19,883 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-12-23 01:29:20,148 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-12-23 01:29:20,419 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-12-23 01:29:20,709 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2020-12-23 01:29:20,933 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2020-12-23 01:29:21,182 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-12-23 01:29:21,462 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2020-12-23 01:29:21,783 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-12-23 01:29:22,124 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2020-12-23 01:29:22,517 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-23 01:29:22,909 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-12-23 01:29:23,363 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 81 [2020-12-23 01:29:23,847 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 84 [2020-12-23 01:29:24,367 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2020-12-23 01:29:24,885 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2020-12-23 01:29:25,479 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2020-12-23 01:29:26,092 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 89 [2020-12-23 01:29:26,701 WARN L197 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-12-23 01:29:27,229 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2020-12-23 01:29:27,728 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2020-12-23 01:29:28,125 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2020-12-23 01:29:28,571 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 82 [2020-12-23 01:29:28,954 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2020-12-23 01:29:29,418 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2020-12-23 01:29:29,834 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2020-12-23 01:29:30,352 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 82 [2020-12-23 01:29:30,790 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2020-12-23 01:29:31,231 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-12-23 01:29:31,633 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2020-12-23 01:29:32,071 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 77 [2020-12-23 01:29:32,461 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-12-23 01:29:32,901 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2020-12-23 01:29:33,265 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-12-23 01:29:33,660 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2020-12-23 01:29:34,468 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-12-23 01:29:34,934 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-12-23 01:29:35,380 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2020-12-23 01:29:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:29:37,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256098213] [2020-12-23 01:29:37,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563330777] [2020-12-23 01:29:37,473 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:29:38,096 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-12-23 01:29:38,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-23 01:29:38,102 WARN L261 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 124 conjunts are in the unsatisfiable core [2020-12-23 01:29:38,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:29:38,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:38,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:38,478 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:38,479 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 34 [2020-12-23 01:29:38,484 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:38,517 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:38,525 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-23 01:29:38,527 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:38,561 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:38,562 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:38,562 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:33 [2020-12-23 01:29:38,815 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-12-23 01:29:38,818 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:38,857 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:38,858 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:38,858 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2020-12-23 01:29:39,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:39,331 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-23 01:29:39,334 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:39,389 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:39,390 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:39,390 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2020-12-23 01:29:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:39,829 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2020-12-23 01:29:39,842 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:39,888 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:39,890 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:39,890 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2020-12-23 01:29:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,371 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-12-23 01:29:40,373 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:40,421 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:40,424 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:40,425 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2020-12-23 01:29:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:40,940 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2020-12-23 01:29:40,942 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:40,999 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:41,001 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:41,002 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2020-12-23 01:29:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:41,594 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 83 [2020-12-23 01:29:41,597 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:41,655 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:41,657 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:41,657 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2020-12-23 01:29:42,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:42,264 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 98 [2020-12-23 01:29:42,267 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:42,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:42,339 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:42,340 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:109, output treesize:105 [2020-12-23 01:29:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:43,625 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 104 [2020-12-23 01:29:43,643 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:43,718 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:43,720 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:43,720 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2020-12-23 01:29:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,341 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2020-12-23 01:29:44,343 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:44,428 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:44,429 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:44,430 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:114, output treesize:110 [2020-12-23 01:29:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:44,893 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:44,893 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 180 [2020-12-23 01:29:44,898 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:45,119 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2020-12-23 01:29:45,120 INFO L625 ElimStorePlain]: treesize reduction 42, result has 74.2 percent of original size [2020-12-23 01:29:45,122 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:45,122 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:121 [2020-12-23 01:29:45,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:46,120 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2020-12-23 01:29:46,121 INFO L348 Elim1Store]: treesize reduction 67, result has 55.3 percent of original size [2020-12-23 01:29:46,121 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 195 [2020-12-23 01:29:46,126 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:46,370 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2020-12-23 01:29:46,371 INFO L625 ElimStorePlain]: treesize reduction 42, result has 76.0 percent of original size [2020-12-23 01:29:46,373 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:46,373 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:137, output treesize:133 [2020-12-23 01:29:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:47,419 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 37 [2020-12-23 01:29:47,420 INFO L348 Elim1Store]: treesize reduction 152, result has 38.5 percent of original size [2020-12-23 01:29:47,421 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 25 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 9 case distinctions, treesize of input 124 treesize of output 210 [2020-12-23 01:29:47,425 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:47,678 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-12-23 01:29:47,679 INFO L625 ElimStorePlain]: treesize reduction 42, result has 77.5 percent of original size [2020-12-23 01:29:47,681 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:47,681 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:149, output treesize:145 [2020-12-23 01:29:48,117 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-23 01:29:48,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:48,834 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2020-12-23 01:29:48,835 INFO L348 Elim1Store]: treesize reduction 255, result has 29.6 percent of original size [2020-12-23 01:29:48,836 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 25 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 14 case distinctions, treesize of input 136 treesize of output 225 [2020-12-23 01:29:48,842 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:49,111 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-12-23 01:29:49,113 INFO L625 ElimStorePlain]: treesize reduction 42, result has 78.9 percent of original size [2020-12-23 01:29:49,114 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:49,115 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:161, output treesize:157 [2020-12-23 01:29:49,567 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-23 01:29:50,031 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-23 01:29:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:50,298 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-23 01:29:50,299 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:50,299 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 35 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 10 case distinctions, treesize of input 148 treesize of output 352 [2020-12-23 01:29:50,307 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:50,614 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-12-23 01:29:50,615 INFO L625 ElimStorePlain]: treesize reduction 42, result has 80.4 percent of original size [2020-12-23 01:29:50,617 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-23 01:29:50,617 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:176, output treesize:172 [2020-12-23 01:29:51,168 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 01:29:51,803 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-23 01:29:52,369 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-23 01:29:52,820 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-23 01:29:52,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,885 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:29:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:52,939 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 45 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 195 [2020-12-23 01:29:52,942 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:53,101 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-23 01:29:53,102 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:53,104 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:29:53,105 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:205, output treesize:192 [2020-12-23 01:29:53,498 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 01:29:53,888 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-23 01:29:53,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,024 INFO L244 Elim1Store]: Index analysis took 112 ms [2020-12-23 01:29:54,026 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 45 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 191 [2020-12-23 01:29:54,032 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:54,205 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-23 01:29:54,206 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:54,209 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:29:54,209 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:204, output treesize:183 [2020-12-23 01:29:54,721 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-23 01:29:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:54,859 INFO L244 Elim1Store]: Index analysis took 109 ms [2020-12-23 01:29:54,954 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:29:54,955 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 45 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 7 case distinctions, treesize of input 175 treesize of output 300 [2020-12-23 01:29:54,962 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:55,301 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2020-12-23 01:29:55,303 INFO L625 ElimStorePlain]: treesize reduction 148, result has 55.8 percent of original size [2020-12-23 01:29:55,305 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:29:55,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:208, output treesize:187 [2020-12-23 01:29:55,813 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-23 01:29:56,350 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-23 01:29:56,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:56,802 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-12-23 01:29:56,803 INFO L348 Elim1Store]: treesize reduction 17, result has 92.2 percent of original size [2020-12-23 01:29:56,804 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 45 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 15 case distinctions, treesize of input 180 treesize of output 415 [2020-12-23 01:29:56,813 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:57,268 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 91 [2020-12-23 01:29:57,269 INFO L625 ElimStorePlain]: treesize reduction 315, result has 38.5 percent of original size [2020-12-23 01:29:57,271 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:29:57,272 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:213, output treesize:197 [2020-12-23 01:29:57,810 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-23 01:29:58,373 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-23 01:29:58,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:29:59,035 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-12-23 01:29:59,037 INFO L348 Elim1Store]: treesize reduction 52, result has 85.4 percent of original size [2020-12-23 01:29:59,037 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 45 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 24 case distinctions, treesize of input 190 treesize of output 531 [2020-12-23 01:29:59,049 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:29:59,568 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2020-12-23 01:29:59,569 INFO L625 ElimStorePlain]: treesize reduction 410, result has 33.5 percent of original size [2020-12-23 01:29:59,572 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:29:59,572 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:223, output treesize:207 [2020-12-23 01:30:00,147 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-23 01:30:00,737 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-23 01:30:00,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:00,870 INFO L244 Elim1Store]: Index analysis took 110 ms [2020-12-23 01:30:01,669 WARN L197 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 146 [2020-12-23 01:30:01,671 INFO L348 Elim1Store]: treesize reduction 105, result has 79.5 percent of original size [2020-12-23 01:30:01,671 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 45 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 34 case distinctions, treesize of input 200 treesize of output 647 [2020-12-23 01:30:01,696 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:30:02,329 WARN L197 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 95 [2020-12-23 01:30:02,331 INFO L625 ElimStorePlain]: treesize reduction 792, result has 21.5 percent of original size [2020-12-23 01:30:02,333 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-23 01:30:02,334 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:233, output treesize:217 [2020-12-23 01:30:02,947 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 01:30:03,583 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 01:30:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:03,787 INFO L244 Elim1Store]: Index analysis took 172 ms [2020-12-23 01:30:04,138 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-23 01:30:04,139 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:30:04,139 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 65 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 25 case distinctions, treesize of input 192 treesize of output 523 [2020-12-23 01:30:04,155 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:30:04,735 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 89 [2020-12-23 01:30:04,736 INFO L625 ElimStorePlain]: treesize reduction 732, result has 22.2 percent of original size [2020-12-23 01:30:04,740 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-23 01:30:04,740 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:225, output treesize:209 [2020-12-23 01:30:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,283 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:30:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,311 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:30:07,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,341 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:30:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,372 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:30:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,405 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:30:07,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,412 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-23 01:30:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:07,416 INFO L244 Elim1Store]: Index analysis took 165 ms [2020-12-23 01:30:07,419 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 45 disjoint index pairs (out of 210 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 207 [2020-12-23 01:30:07,425 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:30:07,611 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-23 01:30:07,612 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:30:07,617 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-23 01:30:07,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:242, output treesize:201 [2020-12-23 01:30:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:08,890 INFO L244 Elim1Store]: Index analysis took 124 ms [2020-12-23 01:30:08,895 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 45 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 199 [2020-12-23 01:30:08,906 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:30:09,073 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-23 01:30:09,075 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:30:09,080 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-23 01:30:09,081 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:217, output treesize:196 [2020-12-23 01:30:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:09,813 INFO L244 Elim1Store]: Index analysis took 107 ms [2020-12-23 01:30:09,918 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-12-23 01:30:09,919 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-23 01:30:09,920 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 45 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 7 case distinctions, treesize of input 183 treesize of output 320 [2020-12-23 01:30:09,929 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:30:10,349 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 87 [2020-12-23 01:30:10,350 INFO L625 ElimStorePlain]: treesize reduction 179, result has 54.3 percent of original size [2020-12-23 01:30:10,355 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-23 01:30:10,355 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:221, output treesize:213 [2020-12-23 01:30:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:11,744 INFO L244 Elim1Store]: Index analysis took 108 ms [2020-12-23 01:30:12,189 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-12-23 01:30:12,190 INFO L348 Elim1Store]: treesize reduction 17, result has 93.1 percent of original size [2020-12-23 01:30:12,190 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 45 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 15 case distinctions, treesize of input 202 treesize of output 452 [2020-12-23 01:30:12,200 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-23 01:30:12,741 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2020-12-23 01:30:12,742 INFO L625 ElimStorePlain]: treesize reduction 372, result has 35.9 percent of original size [2020-12-23 01:30:12,747 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-23 01:30:12,747 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:240, output treesize:208 [2020-12-23 01:30:14,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-23 01:30:14,235 INFO L244 Elim1Store]: Index analysis took 113 ms [2020-12-23 01:30:14,984 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2020-12-23 01:30:14,986 INFO L348 Elim1Store]: treesize reduction 52, result has 86.9 percent of original size [2020-12-23 01:30:14,988 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 18 select indices, 18 select index equivalence classes, 45 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 24 case distinctions, treesize of input 196 treesize of output 579 [2020-12-23 01:30:15,000 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.